ID 658589
Lot 438 | Drei Nivelliergeräte, Prag und Wien, 19./20. Jhdt.
Estimate value
€ 300
Brass, steel, nickel, glass, some of the metal surfaces blackened. Telescope with horizontal swivel function, two bubble tubes and angle scale (lateral magnifying glass). The manufacturer's signature on one side of the telescope, "Praha 2920" on the other. The eyepiece extension finely adjustable, length of the telescope 24 cm. Plus a smaller device with one bubble tube, the same manufacturer's mark and "1643 Praha", telescope length 18.5 cm. Also includes a device labelled "Neuhöfer & Sohn, Wien, Nr. 4273". Two of the three bubble tubes are new replacements, telescope length 26.5 cm. All with traces of use, the lenses cloudy.
Condition: II
Drei Nivelliergeräte, Prag und Wien, 19./20. Jhdt.
Messing, Stahl, Nickel, Glas, teilweise geschwärzte Metalloberflächen. Horizontal schwenkbares Fernrohr mit zwei Röhrenlibellen sowie Winkelskala (seitliche Lupe), am Fernrohr seitlich die Herstellersignatur und auf der Gegenseite "Praha 2920", fein justierbarer Okularauszug, Länge des Fernrohrs 24 cm. Dazu ein kleineres Gerät mit einer Röhrenlibelle, der genannten Herstellermarke und "1643 Praha", Fernrohrlänge 18,5 cm. Außerdem ein Gerät bezeichnet "Neuhöfer & Sohn, Wien, Nr. 4273", zwei der drei Röhrenlibellen neu ergänzt, Fernrohrlänge 26,5 cm. Jeweils Gebrauchsspuren und Optik trüb.
Zustand: II
Auction house category: | Scientific Instruments |
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Auction house category: | Scientific Instruments |
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Address of auction |
Hermann Historica Bretonischer Ring 3 85630 Grasbrunn / München Germany | ||||||||||||||
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